| http://www.w3.org/ns/prov#value | - A structure in accordance with the invention comprises: (a) a memory unit for storing low-resolution pixel data of adjacent, low-resolution scan lines in adjacently addressable memory locations; (b) means for extracting from the memory unit, an interpolation group consisting of N low-resolution pixel words, where N is an integer substantially less than the number of pixels in a low-resolution line
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